| Modra to Olivenza | 1,384.38 mi (2,227.94 km) |
| Modra to Olot | 834.62 mi (1,343.19 km) |
| Modra to Onate | 1,016.55 mi (1,635.98 km) |
| Modra to Onda | 1,041.80 mi (1,676.62 km) |
| Modra to Onteniente | 1,107.22 mi (1,781.89 km) |
| Modra to Orihuela | 1,155.33 mi (1,859.33 km) |
| Modra to Osuna | 1,362.81 mi (2,193.23 km) |
| Modra to Ourense | 1,283.99 mi (2,066.38 km) |
| Modra to Oviedo | 1,160.98 mi (1,868.41 km) |
| Modra to Paiporta | 1,071.90 mi (1,725.06 km) |
| Modra to Pajara | 2,165.58 mi (3,485.17 km) |
| Modra to Palafolls | 845.08 mi (1,360.02 km) |
| Modra to Palafrugell | 817.78 mi (1,316.08 km) |
| Modra to Palamos | 822.19 mi (1,323.19 km) |
| Modra to Palencia | 1,144.84 mi (1,842.45 km) |
