| Mariestad to Noventa Vicentina | 931.94 mi (1,499.82 km) |
| Mariestad to Novi di Modena | 961.82 mi (1,547.89 km) |
| Mariestad to Novi Ligure | 986.30 mi (1,587.29 km) |
| Mariestad to Nuoro | 1,285.29 mi (2,068.48 km) |
| Mariestad to Occhiobello | 956.64 mi (1,539.56 km) |
| Mariestad to Oderzo | 894.34 mi (1,439.30 km) |
| Mariestad to Oggiono | 911.74 mi (1,467.30 km) |
| Mariestad to Olbia | 1,243.06 mi (2,000.51 km) |
| Mariestad to Oleggio | 930.73 mi (1,497.86 km) |
| Mariestad to Olgiate Comasco | 915.15 mi (1,472.79 km) |
| Mariestad to Olgiate Olona | 926.09 mi (1,490.40 km) |
| Mariestad to Omegna | 914.20 mi (1,471.26 km) |
| Mariestad to Opera | 940.08 mi (1,512.92 km) |
| Mariestad to Oppeano | 932.42 mi (1,500.58 km) |
| Mariestad to Orbassano | 982.26 mi (1,580.79 km) |
