| Warrensville Heights to Oerlinghausen | 4,054.77 mi (6,525.53 km) |
| Warrensville Heights to Oestrich-Winkel | 4,095.24 mi (6,590.64 km) |
| Warrensville Heights to Offenburg | 4,145.06 mi (6,670.83 km) |
| Warrensville Heights to Oftersheim | 4,139.45 mi (6,661.80 km) |
| Warrensville Heights to Ohrdruf | 4,171.05 mi (6,712.66 km) |
| Warrensville Heights to Ohringen | 4,181.02 mi (6,728.71 km) |
| Warrensville Heights to Olbernhau | 4,274.00 mi (6,878.33 km) |
| Warrensville Heights to Olching | 4,287.70 mi (6,900.39 km) |
| Warrensville Heights to Oldenburg | 3,999.58 mi (6,436.70 km) |
| Warrensville Heights to Oldenburg in Holstein | 4,057.88 mi (6,530.53 km) |
| Warrensville Heights to Olfen | 4,014.75 mi (6,461.12 km) |
| Warrensville Heights to Olpe | 4,054.79 mi (6,525.56 km) |
| Warrensville Heights to Olsberg | 4,068.39 mi (6,547.44 km) |
| Warrensville Heights to Oranienburg | 4,194.93 mi (6,751.09 km) |
| Warrensville Heights to Ortenberg | 4,123.76 mi (6,636.56 km) |
