| Forest Acres to Olivares | 4,088.73 mi (6,580.18 km) |
| Forest Acres to Olivenza | 4,009.26 mi (6,452.28 km) |
| Forest Acres to Olot | 4,389.43 mi (7,064.11 km) |
| Forest Acres to Onate | 4,135.88 mi (6,656.05 km) |
| Forest Acres to Onda | 4,317.09 mi (6,947.69 km) |
| Forest Acres to Onteniente | 4,330.93 mi (6,969.95 km) |
| Forest Acres to Orihuela | 4,334.11 mi (6,975.07 km) |
| Forest Acres to Osuna | 4,147.03 mi (6,674.00 km) |
| Forest Acres to Ourense | 3,889.60 mi (6,259.70 km) |
| Forest Acres to Oviedo | 3,965.30 mi (6,381.53 km) |
| Forest Acres to Paiporta | 4,323.87 mi (6,958.60 km) |
| Forest Acres to Pajara | 3,902.37 mi (6,280.25 km) |
| Forest Acres to Palafolls | 4,415.80 mi (7,106.55 km) |
| Forest Acres to Palafrugell | 4,428.44 mi (7,126.88 km) |
| Forest Acres to Palamos | 4,428.81 mi (7,127.47 km) |
