| Muscle Shoals to Olivares | 4,401.92 mi (7,084.21 km) |
| Muscle Shoals to Olivenza | 4,318.50 mi (6,949.96 km) |
| Muscle Shoals to Olot | 4,669.42 mi (7,514.70 km) |
| Muscle Shoals to Onate | 4,419.25 mi (7,112.10 km) |
| Muscle Shoals to Onda | 4,611.16 mi (7,420.94 km) |
| Muscle Shoals to Onteniente | 4,630.35 mi (7,451.83 km) |
| Muscle Shoals to Orihuela | 4,637.09 mi (7,462.67 km) |
| Muscle Shoals to Osuna | 4,459.50 mi (7,176.88 km) |
| Muscle Shoals to Ourense | 4,183.51 mi (6,732.71 km) |
| Muscle Shoals to Oviedo | 4,251.74 mi (6,842.52 km) |
| Muscle Shoals to Paiporta | 4,620.46 mi (7,435.91 km) |
| Muscle Shoals to Pajara | 4,256.28 mi (6,849.83 km) |
| Muscle Shoals to Palafolls | 4,697.68 mi (7,560.19 km) |
| Muscle Shoals to Palafrugell | 4,708.54 mi (7,577.67 km) |
| Muscle Shoals to Palamos | 4,709.29 mi (7,578.87 km) |
