| Effingham to Noventa Vicentina | 4,791.14 mi (7,710.59 km) |
| Effingham to Novi di Modena | 4,781.44 mi (7,694.98 km) |
| Effingham to Novi Ligure | 4,701.25 mi (7,565.93 km) |
| Effingham to Nuoro | 4,899.25 mi (7,884.58 km) |
| Effingham to Occhiobello | 4,807.50 mi (7,736.92 km) |
| Effingham to Oderzo | 4,809.01 mi (7,739.35 km) |
| Effingham to Oggiono | 4,684.54 mi (7,539.04 km) |
| Effingham to Olbia | 4,882.26 mi (7,857.24 km) |
| Effingham to Oleggio | 4,662.81 mi (7,504.06 km) |
| Effingham to Olgiate Comasco | 4,669.19 mi (7,514.34 km) |
| Effingham to Olgiate Olona | 4,671.59 mi (7,518.20 km) |
| Effingham to Omegna | 4,643.10 mi (7,472.35 km) |
| Effingham to Opera | 4,694.62 mi (7,555.26 km) |
| Effingham to Oppeano | 4,776.57 mi (7,687.14 km) |
| Effingham to Orbassano | 4,640.83 mi (7,468.70 km) |
