| Efringen-Kirchen to Olivenza | 961.69 mi (1,547.69 km) |
| Efringen-Kirchen to Olot | 452.22 mi (727.78 km) |
| Efringen-Kirchen to Onate | 579.81 mi (933.11 km) |
| Efringen-Kirchen to Onda | 658.77 mi (1,060.18 km) |
| Efringen-Kirchen to Onteniente | 735.10 mi (1,183.04 km) |
| Efringen-Kirchen to Orihuela | 788.24 mi (1,268.55 km) |
| Efringen-Kirchen to Osuna | 964.77 mi (1,552.64 km) |
| Efringen-Kirchen to Ourense | 836.68 mi (1,346.50 km) |
| Efringen-Kirchen to Oviedo | 712.73 mi (1,147.02 km) |
| Efringen-Kirchen to Paiporta | 694.21 mi (1,117.23 km) |
| Efringen-Kirchen to Pajara | 1,768.27 mi (2,845.75 km) |
| Efringen-Kirchen to Palafolls | 476.30 mi (766.53 km) |
| Efringen-Kirchen to Palafrugell | 451.26 mi (726.23 km) |
| Efringen-Kirchen to Palamos | 456.47 mi (734.61 km) |
| Efringen-Kirchen to Palencia | 708.12 mi (1,139.62 km) |
