| Excelsior Springs to Orbetello | 5,112.68 mi (8,228.06 km) |
| Excelsior Springs to Oria | 5,451.19 mi (8,772.85 km) |
| Excelsior Springs to Oristano | 5,115.90 mi (8,233.25 km) |
| Excelsior Springs to Orta Nova | 5,338.39 mi (8,591.31 km) |
| Excelsior Springs to Orte | 5,157.95 mi (8,300.92 km) |
| Excelsior Springs to Ortona | 5,241.19 mi (8,434.89 km) |
| Excelsior Springs to Orvieto | 5,135.77 mi (8,265.23 km) |
| Excelsior Springs to Orzinuovi | 4,935.64 mi (7,943.15 km) |
| Excelsior Springs to Osimo | 5,155.05 mi (8,296.25 km) |
| Excelsior Springs to Ospitaletto | 4,934.44 mi (7,941.21 km) |
| Excelsior Springs to Ostuni | 5,438.29 mi (8,752.08 km) |
| Excelsior Springs to Ottaviano | 5,312.30 mi (8,549.32 km) |
| Excelsior Springs to Ovada | 4,917.72 mi (7,914.30 km) |
| Excelsior Springs to Ozieri | 5,103.80 mi (8,213.77 km) |
| Excelsior Springs to Paceco | 5,364.47 mi (8,633.28 km) |
