| Houma to Nyon | 5,074.71 mi (8,166.95 km) |
| Houma to Oberriet | 5,186.43 mi (8,346.75 km) |
| Houma to Obersiggenthal | 5,128.05 mi (8,252.80 km) |
| Houma to Oberwil | 5,096.43 mi (8,201.92 km) |
| Houma to Oberwingert | 5,146.95 mi (8,283.21 km) |
| Houma to Oftringen | 5,117.65 mi (8,236.06 km) |
| Houma to Olten | 5,115.92 mi (8,233.27 km) |
| Houma to Onex | 5,074.98 mi (8,167.38 km) |
| Houma to Opfikon | 5,141.16 mi (8,273.90 km) |
| Houma to Ostermundigen | 5,110.83 mi (8,225.08 km) |
| Houma to Payerne | 5,091.50 mi (8,193.98 km) |
| Houma to Pfaffikon | 5,152.28 mi (8,291.79 km) |
| Houma to Plan-les-Ouates | 5,076.19 mi (8,169.34 km) |
| Houma to Pratteln | 5,102.41 mi (8,211.54 km) |
| Houma to Prilly | 5,085.89 mi (8,184.95 km) |
