| Mason City to Troy (Michigan) | 510.35 mi (821.34 km) |
| Mason City to Troy (Missouri) | 311.10 mi (500.67 km) |
| Mason City to Troy (New York) | 985.72 mi (1,586.36 km) |
| Mason City to Troy (Ohio) | 510.89 mi (822.19 km) |
| Mason City to Truckee (California) | 1,419.84 mi (2,285.01 km) |
| Mason City to Trujillo Alto (Puerto Rico) | 2,332.81 mi (3,754.30 km) |
| Mason City to Trumbull Center (Connecticut) | 1,030.53 mi (1,658.47 km) |
| Mason City to Trussville (Alabama) | 747.75 mi (1,203.38 km) |
| Mason City to Tualatin (Oregon) | 1,463.16 mi (2,354.72 km) |
| Mason City to Tuckahoe (Virginia) | 905.42 mi (1,457.13 km) |
| Mason City to Tucker (Georgia) | 805.21 mi (1,295.86 km) |
| Mason City to Tucson (Arizona) | 1,225.39 mi (1,972.08 km) |
| Mason City to Tucson Estates (Arizona) | 1,234.78 mi (1,987.19 km) |
| Mason City to Tucson Mountains (Arizona) | 1,227.83 mi (1,976.00 km) |
| Mason City to Tukwila (Washington) | 1,435.02 mi (2,309.44 km) |
