| Longford to Novi di Modena | 1,035.09 mi (1,665.82 km) |
| Longford to Novi Ligure | 967.27 mi (1,556.67 km) |
| Longford to Nuoro | 1,222.25 mi (1,967.02 km) |
| Longford to Occhiobello | 1,058.36 mi (1,703.27 km) |
| Longford to Oderzo | 1,053.64 mi (1,695.68 km) |
| Longford to Oggiono | 938.01 mi (1,509.58 km) |
| Longford to Olbia | 1,193.66 mi (1,921.02 km) |
| Longford to Oleggio | 921.19 mi (1,482.52 km) |
| Longford to Olgiate Comasco | 924.34 mi (1,487.57 km) |
| Longford to Olgiate Olona | 928.42 mi (1,494.14 km) |
| Longford to Omegna | 900.08 mi (1,448.54 km) |
| Longford to Opera | 952.01 mi (1,532.11 km) |
| Longford to Oppeano | 1,026.49 mi (1,651.97 km) |
| Longford to Orbassano | 912.61 mi (1,468.70 km) |
| Longford to Orbetello | 1,167.33 mi (1,878.64 km) |
