| Wilmette to Noventa Vicentina | 4,623.19 mi (7,440.30 km) |
| Wilmette to Novi di Modena | 4,614.85 mi (7,426.88 km) |
| Wilmette to Novi Ligure | 4,537.02 mi (7,301.63 km) |
| Wilmette to Nuoro | 4,743.49 mi (7,633.92 km) |
| Wilmette to Occhiobello | 4,640.19 mi (7,467.66 km) |
| Wilmette to Oderzo | 4,639.22 mi (7,466.10 km) |
| Wilmette to Oggiono | 4,517.73 mi (7,270.59 km) |
| Wilmette to Olbia | 4,725.07 mi (7,604.27 km) |
| Wilmette to Oleggio | 4,497.05 mi (7,237.30 km) |
| Wilmette to Olgiate Comasco | 4,502.75 mi (7,246.47 km) |
| Wilmette to Olgiate Olona | 4,505.53 mi (7,250.94 km) |
| Wilmette to Omegna | 4,477.01 mi (7,205.05 km) |
| Wilmette to Opera | 4,528.73 mi (7,288.28 km) |
| Wilmette to Oppeano | 4,608.93 mi (7,417.35 km) |
| Wilmette to Orbassano | 4,477.34 mi (7,205.58 km) |
