| Tullamore to Novi di Modena | 1,009.27 mi (1,624.27 km) |
| Tullamore to Novi Ligure | 939.75 mi (1,512.38 km) |
| Tullamore to Nuoro | 1,191.78 mi (1,917.99 km) |
| Tullamore to Occhiobello | 1,033.06 mi (1,662.56 km) |
| Tullamore to Oderzo | 1,030.05 mi (1,657.70 km) |
| Tullamore to Oggiono | 912.09 mi (1,467.87 km) |
| Tullamore to Olbia | 1,163.62 mi (1,872.66 km) |
| Tullamore to Oleggio | 894.49 mi (1,439.55 km) |
| Tullamore to Olgiate Comasco | 898.12 mi (1,445.38 km) |
| Tullamore to Olgiate Olona | 901.95 mi (1,451.55 km) |
| Tullamore to Omegna | 873.55 mi (1,405.84 km) |
| Tullamore to Opera | 925.50 mi (1,489.45 km) |
| Tullamore to Oppeano | 1,001.34 mi (1,611.51 km) |
| Tullamore to Orbassano | 884.41 mi (1,423.32 km) |
| Tullamore to Orbetello | 1,139.39 mi (1,833.67 km) |
