| Forest Acres to Orbetello | 4,784.43 mi (7,699.80 km) |
| Forest Acres to Oria | 5,139.45 mi (8,271.15 km) |
| Forest Acres to Oristano | 4,744.02 mi (7,634.77 km) |
| Forest Acres to Orta Nova | 5,023.88 mi (8,085.16 km) |
| Forest Acres to Orte | 4,836.59 mi (7,783.74 km) |
| Forest Acres to Ortona | 4,930.23 mi (7,934.45 km) |
| Forest Acres to Orvieto | 4,815.80 mi (7,750.28 km) |
| Forest Acres to Orzinuovi | 4,635.39 mi (7,459.94 km) |
| Forest Acres to Osimo | 4,851.68 mi (7,808.03 km) |
| Forest Acres to Ospitaletto | 4,636.80 mi (7,462.22 km) |
| Forest Acres to Ostuni | 5,128.76 mi (8,253.94 km) |
| Forest Acres to Ottaviano | 4,985.04 mi (8,022.65 km) |
| Forest Acres to Ovada | 4,601.51 mi (7,405.42 km) |
| Forest Acres to Ozieri | 4,741.93 mi (7,631.40 km) |
| Forest Acres to Paceco | 4,994.29 mi (8,037.54 km) |
