| Elizabethton to Orbetello | 4,743.21 mi (7,633.46 km) |
| Elizabethton to Oria | 5,095.69 mi (8,200.71 km) |
| Elizabethton to Oristano | 4,712.93 mi (7,584.73 km) |
| Elizabethton to Orta Nova | 4,980.35 mi (8,015.10 km) |
| Elizabethton to Orte | 4,793.97 mi (7,715.14 km) |
| Elizabethton to Ortona | 4,885.57 mi (7,862.57 km) |
| Elizabethton to Orvieto | 4,772.79 mi (7,681.06 km) |
| Elizabethton to Orzinuovi | 4,587.25 mi (7,382.46 km) |
| Elizabethton to Osimo | 4,805.03 mi (7,732.94 km) |
| Elizabethton to Ospitaletto | 4,588.07 mi (7,383.79 km) |
| Elizabethton to Ostuni | 5,084.46 mi (8,182.64 km) |
| Elizabethton to Ottaviano | 4,944.29 mi (7,957.07 km) |
| Elizabethton to Ovada | 4,556.86 mi (7,333.56 km) |
| Elizabethton to Ozieri | 4,708.44 mi (7,577.49 km) |
| Elizabethton to Paceco | 4,963.65 mi (7,988.22 km) |
