| Rommerskirchen to Oakley (California) | 5,538.61 mi (8,913.53 km) |
| Rommerskirchen to Oakton (Virginia) | 3,963.17 mi (6,378.11 km) |
| Rommerskirchen to Oakville (Missouri) | 4,487.86 mi (7,222.51 km) |
| Rommerskirchen to Oatfield (Oregon) | 5,118.74 mi (8,237.82 km) |
| Rommerskirchen to Ocala (Florida) | 4,631.73 mi (7,454.05 km) |
| Rommerskirchen to Ocean Acres (New Jersey) | 3,803.00 mi (6,120.33 km) |
| Rommerskirchen to Ocean City (New Jersey) | 3,837.43 mi (6,175.75 km) |
| Rommerskirchen to Ocean Pines (Maryland) | 3,899.84 mi (6,276.19 km) |
| Rommerskirchen to Ocean Pointe (Hawaii) | 7,352.21 mi (11,832.23 km) |
| Rommerskirchen to Ocean Springs (Mississippi) | 4,837.54 mi (7,785.26 km) |
| Rommerskirchen to Oceanside (California) | 5,694.85 mi (9,164.98 km) |
| Rommerskirchen to Oceanside (New York) | 3,737.26 mi (6,014.54 km) |
| Rommerskirchen to Ocoee (Florida) | 4,636.43 mi (7,461.61 km) |
| Rommerskirchen to Oconomowoc (Wisconsin) | 4,192.27 mi (6,746.81 km) |
| Rommerskirchen to Odenton (Maryland) | 3,930.69 mi (6,325.84 km) |
