| Tredegar to Olivares | 1,002.30 mi (1,613.05 km) |
| Tredegar to Olivenza | 923.51 mi (1,486.24 km) |
| Tredegar to Olot | 715.33 mi (1,151.21 km) |
| Tredegar to Onate | 605.39 mi (974.28 km) |
| Tredegar to Onda | 828.63 mi (1,333.54 km) |
| Tredegar to Onteniente | 904.08 mi (1,454.97 km) |
| Tredegar to Orihuela | 952.53 mi (1,532.95 km) |
| Tredegar to Osuna | 1,008.99 mi (1,623.82 km) |
| Tredegar to Ourense | 687.30 mi (1,106.10 km) |
| Tredegar to Oviedo | 594.03 mi (956.00 km) |
| Tredegar to Paiporta | 863.95 mi (1,390.40 km) |
| Tredegar to Pajara | 1,713.18 mi (2,757.10 km) |
| Tredegar to Palafolls | 753.24 mi (1,212.22 km) |
| Tredegar to Palafrugell | 744.76 mi (1,198.57 km) |
| Tredegar to Palamos | 748.71 mi (1,204.94 km) |
