| Campton Hills to Noventa Vicentina | 4,655.58 mi (7,492.44 km) |
| Campton Hills to Novi di Modena | 4,647.42 mi (7,479.31 km) |
| Campton Hills to Novi Ligure | 4,569.90 mi (7,354.55 km) |
| Campton Hills to Nuoro | 4,777.29 mi (7,688.30 km) |
| Campton Hills to Occhiobello | 4,672.67 mi (7,519.93 km) |
| Campton Hills to Oderzo | 4,671.35 mi (7,517.82 km) |
| Campton Hills to Oggiono | 4,550.29 mi (7,322.98 km) |
| Campton Hills to Olbia | 4,758.73 mi (7,658.43 km) |
| Campton Hills to Oleggio | 4,529.74 mi (7,289.91 km) |
| Campton Hills to Olgiate Comasco | 4,535.35 mi (7,298.94 km) |
| Campton Hills to Olgiate Olona | 4,538.18 mi (7,303.49 km) |
| Campton Hills to Omegna | 4,509.66 mi (7,257.59 km) |
| Campton Hills to Opera | 4,561.40 mi (7,340.86 km) |
| Campton Hills to Oppeano | 4,641.36 mi (7,469.55 km) |
| Campton Hills to Orbassano | 4,510.31 mi (7,258.65 km) |
