| McKeesport to Noventa Vicentina | 4,383.39 mi (7,054.38 km) |
| McKeesport to Novi di Modena | 4,371.17 mi (7,034.71 km) |
| McKeesport to Novi Ligure | 4,286.98 mi (6,899.23 km) |
| McKeesport to Nuoro | 4,471.09 mi (7,195.53 km) |
| McKeesport to Occhiobello | 4,398.50 mi (7,078.70 km) |
| McKeesport to Oderzo | 4,404.81 mi (7,088.85 km) |
| McKeesport to Oggiono | 4,274.98 mi (6,879.91 km) |
| McKeesport to Olbia | 4,456.21 mi (7,171.58 km) |
| McKeesport to Oleggio | 4,251.39 mi (6,841.94 km) |
| McKeesport to Olgiate Comasco | 4,259.00 mi (6,854.20 km) |
| McKeesport to Olgiate Olona | 4,260.70 mi (6,856.94 km) |
| McKeesport to Omegna | 4,232.36 mi (6,811.33 km) |
| McKeesport to Opera | 4,283.34 mi (6,893.37 km) |
| McKeesport to Oppeano | 4,368.28 mi (7,030.06 km) |
| McKeesport to Orbassano | 4,225.47 mi (6,800.24 km) |
