| Marshfield to Olivares | 4,209.61 mi (6,774.71 km) |
| Marshfield to Olivenza | 4,116.57 mi (6,624.99 km) |
| Marshfield to Olot | 4,381.51 mi (7,051.35 km) |
| Marshfield to Onate | 4,145.36 mi (6,671.31 km) |
| Marshfield to Onda | 4,360.16 mi (7,017.00 km) |
| Marshfield to Onteniente | 4,393.28 mi (7,070.30 km) |
| Marshfield to Orihuela | 4,409.69 mi (7,096.70 km) |
| Marshfield to Osuna | 4,263.65 mi (6,861.69 km) |
| Marshfield to Ourense | 3,942.42 mi (6,344.70 km) |
| Marshfield to Oviedo | 3,989.60 mi (6,420.64 km) |
| Marshfield to Paiporta | 4,375.95 mi (7,042.41 km) |
| Marshfield to Pajara | 4,216.31 mi (6,785.50 km) |
| Marshfield to Palafolls | 4,413.77 mi (7,103.28 km) |
| Marshfield to Palafrugell | 4,420.07 mi (7,113.42 km) |
| Marshfield to Palamos | 4,421.71 mi (7,116.06 km) |
