| Carrick on Shannon to Novi di Modena | 1,052.84 mi (1,694.38 km) |
| Carrick on Shannon to Novi Ligure | 985.55 mi (1,586.08 km) |
| Carrick on Shannon to Nuoro | 1,241.24 mi (1,997.59 km) |
| Carrick on Shannon to Occhiobello | 1,075.93 mi (1,731.55 km) |
| Carrick on Shannon to Oderzo | 1,070.62 mi (1,723.00 km) |
| Carrick on Shannon to Oggiono | 955.80 mi (1,538.21 km) |
| Carrick on Shannon to Olbia | 1,212.57 mi (1,951.45 km) |
| Carrick on Shannon to Oleggio | 939.23 mi (1,511.54 km) |
| Carrick on Shannon to Olgiate Comasco | 942.22 mi (1,516.35 km) |
| Carrick on Shannon to Olgiate Olona | 946.38 mi (1,523.05 km) |
| Carrick on Shannon to Omegna | 918.07 mi (1,477.49 km) |
| Carrick on Shannon to Opera | 969.98 mi (1,561.03 km) |
| Carrick on Shannon to Oppeano | 1,044.01 mi (1,680.17 km) |
| Carrick on Shannon to Orbassano | 931.08 mi (1,498.43 km) |
| Carrick on Shannon to Orbetello | 1,185.71 mi (1,908.22 km) |
