| McHenry to Orthez | 4,206.15 mi (6,769.14 km) |
| McHenry to Orvault | 4,035.56 mi (6,494.61 km) |
| McHenry to Osny | 4,119.24 mi (6,629.28 km) |
| McHenry to Ostwald | 4,354.50 mi (7,007.89 km) |
| McHenry to Ouistreham | 4,021.08 mi (6,471.30 km) |
| McHenry to Oullins | 4,351.83 mi (7,003.59 km) |
| McHenry to Outreau | 4,043.61 mi (6,507.57 km) |
| McHenry to Oyonnax | 4,364.50 mi (7,023.98 km) |
| McHenry to Ozoir-la-Ferriere | 4,153.29 mi (6,684.07 km) |
| McHenry to Pace | 3,999.47 mi (6,436.52 km) |
| McHenry to Palaiseau | 4,138.69 mi (6,660.58 km) |
| McHenry to Pamiers | 4,320.61 mi (6,953.35 km) |
| McHenry to Panazol | 4,205.98 mi (6,768.87 km) |
| McHenry to Pantin | 4,138.22 mi (6,659.82 km) |
| McHenry to Paray-le-Monial | 4,296.14 mi (6,913.96 km) |