| South Portland to Totana | 3,522.15 mi (5,668.35 km) |
| South Portland to Trujillo | 3,258.59 mi (5,244.19 km) |
| South Portland to Tudela | 3,377.33 mi (5,435.28 km) |
| South Portland to Tudela de Duero | 3,254.51 mi (5,237.63 km) |
| South Portland to Tuineje | 3,250.61 mi (5,231.34 km) |
| South Portland to Ubeda | 3,425.05 mi (5,512.09 km) |
| South Portland to Ubrique | 3,370.18 mi (5,423.78 km) |
| South Portland to Umbrete | 3,313.49 mi (5,332.55 km) |
| South Portland to Utebo | 3,416.37 mi (5,498.12 km) |
| South Portland to Utiel | 3,475.60 mi (5,593.44 km) |
| South Portland to Utrera | 3,338.06 mi (5,372.08 km) |
| South Portland to Valdemorillo | 3,311.63 mi (5,329.56 km) |
| South Portland to Valdemoro | 3,339.81 mi (5,374.90 km) |
| South Portland to Valdepenas | 3,398.66 mi (5,469.61 km) |
| South Portland to Valencia | 3,517.65 mi (5,661.11 km) |
