| Seymour to Olivares | 4,182.27 mi (6,730.71 km) |
| Seymour to Olivenza | 4,095.46 mi (6,591.01 km) |
| Seymour to Olot | 4,421.86 mi (7,116.30 km) |
| Seymour to Onate | 4,174.87 mi (6,718.80 km) |
| Seymour to Onda | 4,374.15 mi (7,039.51 km) |
| Seymour to Onteniente | 4,397.60 mi (7,077.25 km) |
| Seymour to Orihuela | 4,407.32 mi (7,092.89 km) |
| Seymour to Osuna | 4,238.95 mi (6,821.93 km) |
| Seymour to Ourense | 3,947.88 mi (6,353.50 km) |
| Seymour to Oviedo | 4,010.16 mi (6,453.72 km) |
| Seymour to Paiporta | 4,385.42 mi (7,057.66 km) |
| Seymour to Pajara | 4,088.79 mi (6,580.27 km) |
| Seymour to Palafolls | 4,451.35 mi (7,163.76 km) |
| Seymour to Palafrugell | 4,460.95 mi (7,179.21 km) |
| Seymour to Palamos | 4,461.95 mi (7,180.82 km) |
