| Round Lake Beach to Tacoma (Washington) | 1,703.53 mi (2,741.57 km) |
| Round Lake Beach to Tahlequah (Oklahoma) | 579.44 mi (932.52 km) |
| Round Lake Beach to Takoma Park (Maryland) | 625.55 mi (1,006.73 km) |
| Round Lake Beach to Talladega (Alabama) | 627.42 mi (1,009.73 km) |
| Round Lake Beach to Tallahassee (Florida) | 850.67 mi (1,369.01 km) |
| Round Lake Beach to Tallmadge (Ohio) | 354.38 mi (570.31 km) |
| Round Lake Beach to Tamalpais-Homestead Valley (California) | 1,833.76 mi (2,951.16 km) |
| Round Lake Beach to Tamarac (Florida) | 1,202.13 mi (1,934.63 km) |
| Round Lake Beach to Tamiami (Florida) | 1,228.45 mi (1,977.00 km) |
| Round Lake Beach to Tampa (Florida) | 1,042.95 mi (1,678.46 km) |
| Round Lake Beach to Tanaina (Alaska) | 2,792.21 mi (4,493.62 km) |
| Round Lake Beach to Tanque Verde (Arizona) | 1,421.23 mi (2,287.26 km) |
| Round Lake Beach to Tarboro (North Carolina) | 718.92 mi (1,156.99 km) |
| Round Lake Beach to Tarpon Springs (Florida) | 1,027.38 mi (1,653.40 km) |
| Round Lake Beach to Tarrytown (New York) | 737.73 mi (1,187.27 km) |
