| Talladega to Orbetello | 5,039.46 mi (8,110.22 km) |
| Talladega to Oria | 5,392.21 mi (8,677.92 km) |
| Talladega to Oristano | 5,007.57 mi (8,058.90 km) |
| Talladega to Orta Nova | 5,276.84 mi (8,492.26 km) |
| Talladega to Orte | 5,090.36 mi (8,192.15 km) |
| Talladega to Ortona | 5,182.15 mi (8,339.86 km) |
| Talladega to Orvieto | 5,069.22 mi (8,158.12 km) |
| Talladega to Orzinuovi | 4,884.00 mi (7,860.04 km) |
| Talladega to Osimo | 5,101.72 mi (8,210.43 km) |
| Talladega to Ospitaletto | 4,884.85 mi (7,861.41 km) |
| Talladega to Ostuni | 5,381.02 mi (8,659.91 km) |
| Talladega to Ottaviano | 5,240.51 mi (8,433.79 km) |
| Talladega to Ovada | 4,853.41 mi (7,810.81 km) |
| Talladega to Ozieri | 5,003.54 mi (8,052.42 km) |
| Talladega to Paceco | 5,258.23 mi (8,462.31 km) |
