| Harper Woods to Orthez | 3,972.14 mi (6,392.54 km) |
| Harper Woods to Orvault | 3,810.72 mi (6,132.77 km) |
| Harper Woods to Osny | 3,903.68 mi (6,282.37 km) |
| Harper Woods to Ostwald | 4,144.15 mi (6,669.37 km) |
| Harper Woods to Ouistreham | 3,803.64 mi (6,121.37 km) |
| Harper Woods to Oullins | 4,129.96 mi (6,646.52 km) |
| Harper Woods to Outreau | 3,832.64 mi (6,168.05 km) |
| Harper Woods to Oyonnax | 4,145.11 mi (6,670.92 km) |
| Harper Woods to Ozoir-la-Ferriere | 3,937.59 mi (6,336.93 km) |
| Harper Woods to Pace | 3,777.02 mi (6,078.52 km) |
| Harper Woods to Palaiseau | 3,922.30 mi (6,312.34 km) |
| Harper Woods to Pamiers | 4,088.33 mi (6,579.53 km) |
| Harper Woods to Panazol | 3,980.36 mi (6,405.78 km) |
| Harper Woods to Pantin | 3,922.55 mi (6,312.74 km) |
| Harper Woods to Paray-le-Monial | 4,075.44 mi (6,558.79 km) |
