| McHenry to Noventa Vicentina | 4,633.11 mi (7,456.27 km) |
| McHenry to Novi di Modena | 4,625.13 mi (7,443.43 km) |
| McHenry to Novi Ligure | 4,547.93 mi (7,319.18 km) |
| McHenry to Nuoro | 4,756.39 mi (7,654.67 km) |
| McHenry to Occhiobello | 4,650.28 mi (7,483.90 km) |
| McHenry to Oderzo | 4,648.64 mi (7,481.26 km) |
| McHenry to Oggiono | 4,527.97 mi (7,287.07 km) |
| McHenry to Olbia | 4,737.65 mi (7,624.50 km) |
| McHenry to Oleggio | 4,507.57 mi (7,254.23 km) |
| McHenry to Olgiate Comasco | 4,513.09 mi (7,263.12 km) |
| McHenry to Olgiate Olona | 4,515.96 mi (7,267.74 km) |
| McHenry to Omegna | 4,487.44 mi (7,221.84 km) |
| McHenry to Opera | 4,539.20 mi (7,305.14 km) |
| McHenry to Oppeano | 4,618.93 mi (7,433.46 km) |
| McHenry to Orbassano | 4,488.44 mi (7,223.44 km) |
