| Pikesville to Noventa Vicentina | 4,291.82 mi (6,907.01 km) |
| Pikesville to Novi di Modena | 4,277.90 mi (6,884.62 km) |
| Pikesville to Novi Ligure | 4,191.13 mi (6,744.98 km) |
| Pikesville to Nuoro | 4,364.69 mi (7,024.30 km) |
| Pikesville to Occhiobello | 4,306.04 mi (6,929.90 km) |
| Pikesville to Oderzo | 4,315.57 mi (6,945.24 km) |
| Pikesville to Oggiono | 4,182.43 mi (6,730.97 km) |
| Pikesville to Olbia | 4,351.44 mi (7,002.97 km) |
| Pikesville to Oleggio | 4,157.61 mi (6,691.03 km) |
| Pikesville to Olgiate Comasco | 4,166.06 mi (6,704.62 km) |
| Pikesville to Olgiate Olona | 4,167.27 mi (6,706.58 km) |
| Pikesville to Omegna | 4,139.11 mi (6,661.25 km) |
| Pikesville to Opera | 4,189.59 mi (6,742.49 km) |
| Pikesville to Oppeano | 4,276.38 mi (6,882.16 km) |
| Pikesville to Orbassano | 4,129.00 mi (6,644.98 km) |
