| Mettlach to Olivenza | 1,006.60 mi (1,619.97 km) |
| Mettlach to Olot | 542.16 mi (872.53 km) |
| Mettlach to Onate | 619.26 mi (996.60 km) |
| Mettlach to Onda | 738.80 mi (1,188.99 km) |
| Mettlach to Onteniente | 818.22 mi (1,316.80 km) |
| Mettlach to Orihuela | 872.24 mi (1,403.74 km) |
| Mettlach to Osuna | 1,028.20 mi (1,654.73 km) |
| Mettlach to Ourense | 850.68 mi (1,369.03 km) |
| Mettlach to Oviedo | 726.95 mi (1,169.91 km) |
| Mettlach to Paiporta | 775.84 mi (1,248.60 km) |
| Mettlach to Pajara | 1,823.30 mi (2,934.32 km) |
| Mettlach to Palafolls | 571.40 mi (919.58 km) |
| Mettlach to Palafrugell | 548.78 mi (883.18 km) |
| Mettlach to Palamos | 554.03 mi (891.62 km) |
| Mettlach to Palencia | 743.31 mi (1,196.24 km) |
