| Mason City to Totana | 4,581.58 mi (7,373.33 km) |
| Mason City to Trujillo | 4,321.59 mi (6,954.92 km) |
| Mason City to Tudela | 4,400.96 mi (7,082.65 km) |
| Mason City to Tudela de Duero | 4,294.59 mi (6,911.48 km) |
| Mason City to Tuineje | 4,391.37 mi (7,067.22 km) |
| Mason City to Ubeda | 4,489.91 mi (7,225.81 km) |
| Mason City to Ubrique | 4,452.07 mi (7,164.91 km) |
| Mason City to Umbrete | 4,393.12 mi (7,070.05 km) |
| Mason City to Utebo | 4,440.69 mi (7,146.60 km) |
| Mason City to Utiel | 4,519.62 mi (7,273.63 km) |
| Mason City to Utrera | 4,417.63 mi (7,109.49 km) |
| Mason City to Valdemorillo | 4,359.22 mi (7,015.48 km) |
| Mason City to Valdemoro | 4,388.49 mi (7,062.60 km) |
| Mason City to Valdepenas | 4,457.84 mi (7,174.20 km) |
| Mason City to Valencia | 4,559.05 mi (7,337.08 km) |
