| Wollaston to Orbetello | 929.93 mi (1,496.57 km) |
| Wollaston to Oria | 1,245.73 mi (2,004.81 km) |
| Wollaston to Oristano | 1,006.25 mi (1,619.40 km) |
| Wollaston to Orta Nova | 1,136.18 mi (1,828.51 km) |
| Wollaston to Orte | 965.89 mi (1,554.45 km) |
| Wollaston to Ortona | 1,038.70 mi (1,671.62 km) |
| Wollaston to Orvieto | 943.21 mi (1,517.95 km) |
| Wollaston to Orzinuovi | 732.94 mi (1,179.55 km) |
| Wollaston to Osimo | 949.76 mi (1,528.49 km) |
| Wollaston to Ospitaletto | 730.01 mi (1,174.83 km) |
| Wollaston to Ostuni | 1,232.00 mi (1,982.71 km) |
| Wollaston to Ottaviano | 1,120.29 mi (1,802.94 km) |
| Wollaston to Ovada | 731.06 mi (1,176.53 km) |
| Wollaston to Ozieri | 974.95 mi (1,569.03 km) |
| Wollaston to Paceco | 1,225.22 mi (1,971.80 km) |
