| Mamoudzou to Olivenza | 4,899.75 mi (7,885.39 km) |
| Mamoudzou to Olot | 4,665.73 mi (7,508.77 km) |
| Mamoudzou to Onate | 4,889.89 mi (7,869.52 km) |
| Mamoudzou to Onda | 4,667.05 mi (7,510.88 km) |
| Mamoudzou to Onteniente | 4,629.36 mi (7,450.23 km) |
| Mamoudzou to Orihuela | 4,610.48 mi (7,419.85 km) |
| Mamoudzou to Osuna | 4,752.65 mi (7,648.65 km) |
| Mamoudzou to Ourense | 5,078.58 mi (8,173.19 km) |
| Mamoudzou to Oviedo | 5,038.51 mi (8,108.70 km) |
| Mamoudzou to Paiporta | 4,648.98 mi (7,481.81 km) |
| Mamoudzou to Pajara | 4,875.34 mi (7,846.10 km) |
| Mamoudzou to Palafolls | 4,631.35 mi (7,453.44 km) |
| Mamoudzou to Palafrugell | 4,628.24 mi (7,448.44 km) |
| Mamoudzou to Palamos | 4,626.01 mi (7,444.84 km) |
| Mamoudzou to Palencia | 4,928.97 mi (7,932.41 km) |
