| Ottawa to Richmond (California) | 1,787.03 mi (2,875.94 km) |
| Ottawa to Richmond (Indiana) | 231.74 mi (372.95 km) |
| Ottawa to Richmond (Kentucky) | 347.85 mi (559.82 km) |
| Ottawa to Richmond (Texas) | 901.31 mi (1,450.51 km) |
| Ottawa to Richmond (Virginia) | 660.14 mi (1,062.39 km) |
| Ottawa to Richmond Heights (Florida) | 1,188.92 mi (1,913.38 km) |
| Ottawa to Richmond Heights (Ohio) | 379.36 mi (610.52 km) |
| Ottawa to Richmond Hill (Georgia) | 774.04 mi (1,245.70 km) |
| Ottawa to Richmond West (Florida) | 1,189.13 mi (1,913.73 km) |
| Ottawa to Richton Park (Illinois) | 57.01 mi (91.75 km) |
| Ottawa to Ridge (New York) | 829.19 mi (1,334.44 km) |
| Ottawa to Ridgecrest (California) | 1,600.68 mi (2,576.05 km) |
| Ottawa to Ridgefield (New Jersey) | 771.16 mi (1,241.06 km) |
| Ottawa to Ridgefield (Washington) | 1,710.03 mi (2,752.02 km) |
| Ottawa to Ridgefield Park (New Jersey) | 770.67 mi (1,240.28 km) |
