| Martinsicuro to Novi di Modena | 204.52 mi (329.14 km) |
| Martinsicuro to Novi Ligure | 286.68 mi (461.37 km) |
| Martinsicuro to Nuoro | 295.78 mi (476.01 km) |
| Martinsicuro to Occhiobello | 182.61 mi (293.88 km) |
| Martinsicuro to Oderzo | 212.20 mi (341.50 km) |
| Martinsicuro to Oggiono | 301.71 mi (485.56 km) |
| Martinsicuro to Olbia | 264.62 mi (425.87 km) |
| Martinsicuro to Oleggio | 321.80 mi (517.88 km) |
| Martinsicuro to Olgiate Comasco | 316.11 mi (508.74 km) |
| Martinsicuro to Olgiate Olona | 313.17 mi (504.00 km) |
| Martinsicuro to Omegna | 341.69 mi (549.90 km) |
| Martinsicuro to Opera | 290.02 mi (466.74 km) |
| Martinsicuro to Oppeano | 215.10 mi (346.17 km) |
| Martinsicuro to Orbassano | 349.53 mi (562.52 km) |
| Martinsicuro to Orbetello | 140.77 mi (226.55 km) |
