| Galway to Novi di Modena | 1,066.88 mi (1,716.98 km) |
| Galway to Novi Ligure | 995.04 mi (1,601.36 km) |
| Galway to Nuoro | 1,240.83 mi (1,996.92 km) |
| Galway to Occhiobello | 1,091.28 mi (1,756.24 km) |
| Galway to Oderzo | 1,089.99 mi (1,754.17 km) |
| Galway to Oggiono | 969.65 mi (1,560.50 km) |
| Galway to Olbia | 1,213.76 mi (1,953.36 km) |
| Galway to Oleggio | 951.04 mi (1,530.56 km) |
| Galway to Olgiate Comasco | 955.31 mi (1,537.43 km) |
| Galway to Olgiate Olona | 958.81 mi (1,543.06 km) |
| Galway to Omegna | 930.34 mi (1,497.24 km) |
| Galway to Opera | 982.29 mi (1,580.84 km) |
| Galway to Oppeano | 1,059.76 mi (1,705.51 km) |
| Galway to Orbassano | 938.62 mi (1,510.57 km) |
| Galway to Orbetello | 1,193.83 mi (1,921.28 km) |
