| Warren to Noventa Vicentina | 4,420.25 mi (7,113.71 km) |
| Warren to Novi di Modena | 4,410.46 mi (7,097.96 km) |
| Warren to Novi Ligure | 4,330.22 mi (6,968.82 km) |
| Warren to Nuoro | 4,529.04 mi (7,288.78 km) |
| Warren to Occhiobello | 4,436.57 mi (7,139.97 km) |
| Warren to Oderzo | 4,438.32 mi (7,142.79 km) |
| Warren to Oggiono | 4,313.58 mi (6,942.04 km) |
| Warren to Olbia | 4,511.81 mi (7,261.06 km) |
| Warren to Oleggio | 4,291.80 mi (6,906.99 km) |
| Warren to Olgiate Comasco | 4,298.21 mi (6,917.31 km) |
| Warren to Olgiate Olona | 4,300.60 mi (6,921.14 km) |
| Warren to Omegna | 4,272.11 mi (6,875.30 km) |
| Warren to Opera | 4,323.62 mi (6,958.19 km) |
| Warren to Oppeano | 4,405.66 mi (7,090.23 km) |
| Warren to Orbassano | 4,269.81 mi (6,871.60 km) |
