| Markham to Orthez | 4,208.98 mi (6,773.70 km) |
| Markham to Orvault | 4,041.95 mi (6,504.88 km) |
| Markham to Osny | 4,128.96 mi (6,644.93 km) |
| Markham to Ostwald | 4,366.04 mi (7,026.47 km) |
| Markham to Ouistreham | 4,030.12 mi (6,485.86 km) |
| Markham to Oullins | 4,359.39 mi (7,015.75 km) |
| Markham to Outreau | 4,054.86 mi (6,525.67 km) |
| Markham to Oyonnax | 4,372.95 mi (7,037.58 km) |
| Markham to Ozoir-la-Ferriere | 4,162.97 mi (6,699.66 km) |
| Markham to Pace | 4,006.72 mi (6,448.19 km) |
| Markham to Palaiseau | 4,148.13 mi (6,675.78 km) |
| Markham to Pamiers | 4,324.17 mi (6,959.08 km) |
| Markham to Panazol | 4,212.12 mi (6,778.75 km) |
| Markham to Pantin | 4,147.91 mi (6,675.41 km) |
| Markham to Paray-le-Monial | 4,304.10 mi (6,926.79 km) |
