| Greenfield to Olivares | 4,161.86 mi (6,697.87 km) |
| Greenfield to Olivenza | 4,070.76 mi (6,551.26 km) |
| Greenfield to Olot | 4,357.49 mi (7,012.71 km) |
| Greenfield to Onate | 4,117.08 mi (6,625.80 km) |
| Greenfield to Onda | 4,326.88 mi (6,963.44 km) |
| Greenfield to Onteniente | 4,356.71 mi (7,011.45 km) |
| Greenfield to Orihuela | 4,370.84 mi (7,034.19 km) |
| Greenfield to Osuna | 4,216.90 mi (6,786.45 km) |
| Greenfield to Ourense | 3,905.36 mi (6,285.07 km) |
| Greenfield to Oviedo | 3,957.88 mi (6,369.59 km) |
| Greenfield to Paiporta | 4,341.13 mi (6,986.38 km) |
| Greenfield to Pajara | 4,135.69 mi (6,655.76 km) |
| Greenfield to Palafolls | 4,388.84 mi (7,063.15 km) |
| Greenfield to Palafrugell | 4,396.31 mi (7,075.18 km) |
| Greenfield to Palamos | 4,397.73 mi (7,077.47 km) |
