| Waltham to Noventa Vicentina | 3,939.42 mi (6,339.89 km) |
| Waltham to Novi di Modena | 3,925.56 mi (6,317.58 km) |
| Waltham to Novi Ligure | 3,838.97 mi (6,178.22 km) |
| Waltham to Nuoro | 4,014.48 mi (6,460.68 km) |
| Waltham to Occhiobello | 3,953.67 mi (6,362.81 km) |
| Waltham to Oderzo | 3,963.17 mi (6,378.10 km) |
| Waltham to Oggiono | 3,830.06 mi (6,163.88 km) |
| Waltham to Olbia | 4,000.79 mi (6,438.66 km) |
| Waltham to Oleggio | 3,805.29 mi (6,124.03 km) |
| Waltham to Olgiate Comasco | 3,813.70 mi (6,137.56 km) |
| Waltham to Olgiate Olona | 3,814.94 mi (6,139.55 km) |
| Waltham to Omegna | 3,786.76 mi (6,094.20 km) |
| Waltham to Opera | 3,837.27 mi (6,175.49 km) |
| Waltham to Oppeano | 3,923.99 mi (6,315.05 km) |
| Waltham to Orbassano | 3,776.88 mi (6,078.31 km) |
