| Howard to Noventa Vicentina | 4,524.85 mi (7,282.05 km) |
| Howard to Novi di Modena | 4,518.11 mi (7,271.19 km) |
| Howard to Novi Ligure | 4,443.11 mi (7,150.50 km) |
| Howard to Nuoro | 4,658.77 mi (7,497.56 km) |
| Howard to Occhiobello | 4,542.57 mi (7,310.55 km) |
| Howard to Oderzo | 4,538.70 mi (7,304.32 km) |
| Howard to Oggiono | 4,420.88 mi (7,114.71 km) |
| Howard to Olbia | 4,638.79 mi (7,465.42 km) |
| Howard to Oleggio | 4,401.44 mi (7,083.43 km) |
| Howard to Olgiate Comasco | 4,406.34 mi (7,091.32 km) |
| Howard to Olgiate Olona | 4,409.55 mi (7,096.48 km) |
| Howard to Omegna | 4,381.04 mi (7,050.60 km) |
| Howard to Opera | 4,432.91 mi (7,134.09 km) |
| Howard to Oppeano | 4,510.97 mi (7,259.71 km) |
| Howard to Orbassano | 4,384.36 mi (7,055.95 km) |
