| Wabash to Orbetello | 4,707.45 mi (7,575.91 km) |
| Wabash to Oria | 5,052.05 mi (8,130.50 km) |
| Wabash to Oristano | 4,699.02 mi (7,562.34 km) |
| Wabash to Orta Nova | 4,937.99 mi (7,946.93 km) |
| Wabash to Orte | 4,754.85 mi (7,652.19 km) |
| Wabash to Ortona | 4,841.43 mi (7,791.53 km) |
| Wabash to Orvieto | 4,732.98 mi (7,616.99 km) |
| Wabash to Orzinuovi | 4,537.71 mi (7,302.73 km) |
| Wabash to Osimo | 4,757.15 mi (7,655.89 km) |
| Wabash to Ospitaletto | 4,537.27 mi (7,302.03 km) |
| Wabash to Ostuni | 5,039.75 mi (8,110.69 km) |
| Wabash to Ottaviano | 4,908.15 mi (7,898.90 km) |
| Wabash to Ovada | 4,515.08 mi (7,266.32 km) |
| Wabash to Ozieri | 4,689.44 mi (7,546.93 km) |
| Wabash to Paceco | 4,948.91 mi (7,964.49 km) |
