| Romeoville to Troy (Michigan) | 262.24 mi (422.04 km) |
| Romeoville to Troy (Missouri) | 238.09 mi (383.17 km) |
| Romeoville to Troy (New York) | 741.52 mi (1,193.36 km) |
| Romeoville to Troy (Ohio) | 230.62 mi (371.14 km) |
| Romeoville to Truckee (California) | 1,683.63 mi (2,709.54 km) |
| Romeoville to Trujillo Alto (Puerto Rico) | 2,068.51 mi (3,328.94 km) |
| Romeoville to Trumbull Center (Connecticut) | 772.14 mi (1,242.64 km) |
| Romeoville to Trussville (Alabama) | 558.33 mi (898.55 km) |
| Romeoville to Tualatin (Oregon) | 1,743.11 mi (2,805.27 km) |
| Romeoville to Tuckahoe (Virginia) | 624.92 mi (1,005.71 km) |
| Romeoville to Tucker (Georgia) | 578.54 mi (931.07 km) |
| Romeoville to Tucson (Arizona) | 1,412.75 mi (2,273.61 km) |
| Romeoville to Tucson Estates (Arizona) | 1,423.81 mi (2,291.41 km) |
| Romeoville to Tucson Mountains (Arizona) | 1,417.46 mi (2,281.19 km) |
| Romeoville to Tukwila (Washington) | 1,715.38 mi (2,760.64 km) |
