| Grigiskes to Orbetello | 1,052.89 mi (1,694.47 km) |
| Grigiskes to Oria | 1,037.42 mi (1,669.57 km) |
| Grigiskes to Oristano | 1,273.40 mi (2,049.34 km) |
| Grigiskes to Orta Nova | 1,016.46 mi (1,635.83 km) |
| Grigiskes to Orte | 1,020.91 mi (1,643.00 km) |
| Grigiskes to Ortona | 979.40 mi (1,576.20 km) |
| Grigiskes to Orvieto | 1,012.64 mi (1,629.69 km) |
| Grigiskes to Orzinuovi | 925.35 mi (1,489.20 km) |
| Grigiskes to Osimo | 931.98 mi (1,499.87 km) |
| Grigiskes to Ospitaletto | 912.80 mi (1,469.00 km) |
| Grigiskes to Ostuni | 1,022.78 mi (1,646.01 km) |
| Grigiskes to Ottaviano | 1,071.87 mi (1,725.01 km) |
| Grigiskes to Ovada | 1,006.19 mi (1,619.31 km) |
| Grigiskes to Ozieri | 1,222.06 mi (1,966.71 km) |
| Grigiskes to Paceco | 1,294.46 mi (2,083.24 km) |
