| Gretna to Torre del Mar | 4,813.91 mi (7,747.24 km) |
| Gretna to Torre-Pacheco | 4,945.99 mi (7,959.80 km) |
| Gretna to Torredembarra | 4,963.93 mi (7,988.67 km) |
| Gretna to Torredonjimeno | 4,794.49 mi (7,715.99 km) |
| Gretna to Torrejon de Ardoz | 4,746.80 mi (7,639.23 km) |
| Gretna to Torrejon de la Calzada | 4,738.70 mi (7,626.20 km) |
| Gretna to Torrelavega | 4,648.64 mi (7,481.27 km) |
| Gretna to Torrelodones | 4,722.83 mi (7,600.65 km) |
| Gretna to Torremolinos | 4,796.87 mi (7,719.81 km) |
| Gretna to Torrente | 4,922.17 mi (7,921.47 km) |
| Gretna to Torrevieja | 4,952.39 mi (7,970.10 km) |
| Gretna to Torrijos | 4,720.56 mi (7,597.01 km) |
| Gretna to Torroella de Montgri | 5,019.54 mi (8,078.17 km) |
| Gretna to Torrox | 4,821.57 mi (7,759.56 km) |
| Gretna to Tortosa | 4,931.64 mi (7,936.70 km) |
