| Wickford to Orbetello | 807.70 mi (1,299.87 km) |
| Wickford to Oria | 1,118.53 mi (1,800.09 km) |
| Wickford to Oristano | 896.19 mi (1,442.29 km) |
| Wickford to Orta Nova | 1,009.66 mi (1,624.88 km) |
| Wickford to Orte | 841.67 mi (1,354.54 km) |
| Wickford to Ortona | 912.28 mi (1,468.17 km) |
| Wickford to Orvieto | 818.99 mi (1,318.03 km) |
| Wickford to Orzinuovi | 607.23 mi (977.25 km) |
| Wickford to Osimo | 822.91 mi (1,324.35 km) |
| Wickford to Ospitaletto | 603.84 mi (971.78 km) |
| Wickford to Ostuni | 1,104.67 mi (1,777.79 km) |
| Wickford to Ottaviano | 995.54 mi (1,602.17 km) |
| Wickford to Ovada | 609.56 mi (980.98 km) |
| Wickford to Ozieri | 862.13 mi (1,387.47 km) |
| Wickford to Paceco | 1,107.85 mi (1,782.91 km) |
