| Marshalltown to Orthez | 4,411.62 mi (7,099.82 km) |
| Marshalltown to Orvault | 4,233.90 mi (6,813.80 km) |
| Marshalltown to Osny | 4,309.93 mi (6,936.17 km) |
| Marshalltown to Ostwald | 4,540.52 mi (7,307.26 km) |
| Marshalltown to Ouistreham | 4,213.47 mi (6,780.93 km) |
| Marshalltown to Oullins | 4,547.26 mi (7,318.10 km) |
| Marshalltown to Outreau | 4,230.74 mi (6,808.72 km) |
| Marshalltown to Oyonnax | 4,557.87 mi (7,335.19 km) |
| Marshalltown to Ozoir-la-Ferriere | 4,344.04 mi (6,991.05 km) |
| Marshalltown to Pace | 4,195.94 mi (6,752.71 km) |
| Marshalltown to Palaiseau | 4,330.02 mi (6,968.49 km) |
| Marshalltown to Pamiers | 4,524.54 mi (7,281.55 km) |
| Marshalltown to Panazol | 4,404.68 mi (7,088.64 km) |
| Marshalltown to Pantin | 4,328.96 mi (6,966.79 km) |
| Marshalltown to Paray-le-Monial | 4,490.70 mi (7,227.08 km) |
