| Fort Oglethorpe to Noventa Vicentina | 4,850.11 mi (7,805.50 km) |
| Fort Oglethorpe to Novi di Modena | 4,836.85 mi (7,784.15 km) |
| Fort Oglethorpe to Novi Ligure | 4,750.94 mi (7,645.89 km) |
| Fort Oglethorpe to Nuoro | 4,926.52 mi (7,928.47 km) |
| Fort Oglethorpe to Occhiobello | 4,864.69 mi (7,828.96 km) |
| Fort Oglethorpe to Oderzo | 4,872.88 mi (7,842.14 km) |
| Fort Oglethorpe to Oggiono | 4,741.08 mi (7,630.04 km) |
| Fort Oglethorpe to Olbia | 4,913.14 mi (7,906.93 km) |
| Fort Oglethorpe to Oleggio | 4,716.71 mi (7,590.82 km) |
| Fort Oglethorpe to Olgiate Comasco | 4,724.86 mi (7,603.92 km) |
| Fort Oglethorpe to Olgiate Olona | 4,726.25 mi (7,606.17 km) |
| Fort Oglethorpe to Omegna | 4,698.02 mi (7,560.73 km) |
| Fort Oglethorpe to Opera | 4,748.69 mi (7,642.28 km) |
| Fort Oglethorpe to Oppeano | 4,834.80 mi (7,780.86 km) |
| Fort Oglethorpe to Orbassano | 4,688.98 mi (7,546.18 km) |
