| Oconomowoc to Orthez | 4,185.41 mi (6,735.76 km) |
| Oconomowoc to Orvault | 4,011.95 mi (6,456.61 km) |
| Oconomowoc to Osny | 4,092.92 mi (6,586.92 km) |
| Oconomowoc to Ostwald | 4,326.71 mi (6,963.16 km) |
| Oconomowoc to Ouistreham | 3,995.32 mi (6,429.85 km) |
| Oconomowoc to Oullins | 4,327.20 mi (6,963.96 km) |
| Oconomowoc to Outreau | 4,016.11 mi (6,463.31 km) |
| Oconomowoc to Oyonnax | 4,339.14 mi (6,983.17 km) |
| Oconomowoc to Ozoir-la-Ferriere | 4,127.00 mi (6,641.76 km) |
| Oconomowoc to Pace | 3,975.15 mi (6,397.39 km) |
| Oconomowoc to Palaiseau | 4,112.59 mi (6,618.58 km) |
| Oconomowoc to Pamiers | 4,299.24 mi (6,918.96 km) |
| Oconomowoc to Panazol | 4,182.53 mi (6,731.13 km) |
| Oconomowoc to Pantin | 4,111.92 mi (6,617.50 km) |
| Oconomowoc to Paray-le-Monial | 4,271.19 mi (6,873.81 km) |
