| Spring Hill to Orbetello | 5,097.23 mi (8,203.20 km) |
| Spring Hill to Oria | 5,454.58 mi (8,778.30 km) |
| Spring Hill to Oristano | 5,042.40 mi (8,114.95 km) |
| Spring Hill to Orta Nova | 5,339.07 mi (8,592.40 km) |
| Spring Hill to Orte | 5,151.14 mi (8,289.97 km) |
| Spring Hill to Ortona | 5,247.29 mi (8,444.70 km) |
| Spring Hill to Orvieto | 5,130.97 mi (8,257.50 km) |
| Spring Hill to Orzinuovi | 4,958.12 mi (7,979.32 km) |
| Spring Hill to Osimo | 5,171.71 mi (8,323.07 km) |
| Spring Hill to Ospitaletto | 4,960.30 mi (7,982.83 km) |
| Spring Hill to Ostuni | 5,444.67 mi (8,762.34 km) |
| Spring Hill to Ottaviano | 5,296.48 mi (8,523.86 km) |
| Spring Hill to Ovada | 4,919.67 mi (7,917.44 km) |
| Spring Hill to Ozieri | 5,043.84 mi (8,117.28 km) |
| Spring Hill to Paceco | 5,291.02 mi (8,515.08 km) |
