| Markham to Nyon | 4,391.11 mi (7,066.81 km) |
| Markham to Oberriet | 4,484.94 mi (7,217.82 km) |
| Markham to Obersiggenthal | 4,429.21 mi (7,128.12 km) |
| Markham to Oberwil | 4,399.65 mi (7,080.55 km) |
| Markham to Oberwingert | 4,446.41 mi (7,155.81 km) |
| Markham to Oftringen | 4,421.29 mi (7,115.37 km) |
| Markham to Olten | 4,419.35 mi (7,112.26 km) |
| Markham to Onex | 4,393.45 mi (7,070.57 km) |
| Markham to Opfikon | 4,441.89 mi (7,148.53 km) |
| Markham to Ostermundigen | 4,418.64 mi (7,111.12 km) |
| Markham to Payerne | 4,402.17 mi (7,084.61 km) |
| Markham to Pfaffikon | 4,452.85 mi (7,166.16 km) |
| Markham to Plan-les-Ouates | 4,394.75 mi (7,072.67 km) |
| Markham to Pratteln | 4,405.16 mi (7,089.42 km) |
| Markham to Prilly | 4,399.90 mi (7,080.96 km) |
