| Ottawa to Punta Gorda (Florida) | 1,070.78 mi (1,723.25 km) |
| Ottawa to Puyallup (Washington) | 1,689.90 mi (2,719.64 km) |
| Ottawa to Queen Creek (Arizona) | 1,366.84 mi (2,199.71 km) |
| Ottawa to Queens (New York) | 783.18 mi (1,260.40 km) |
| Ottawa to Quincy (Illinois) | 166.05 mi (267.23 km) |
| Ottawa to Quincy (Massachusetts) | 917.58 mi (1,476.70 km) |
| Ottawa to Raceland (Louisiana) | 809.73 mi (1,303.14 km) |
| Ottawa to Racine (Wisconsin) | 108.09 mi (173.96 km) |
| Ottawa to Radcliff (Kentucky) | 288.63 mi (464.51 km) |
| Ottawa to Radford (Virginia) | 529.96 mi (852.88 km) |
| Ottawa to Rahway (New Jersey) | 759.55 mi (1,222.38 km) |
| Ottawa to Raleigh (North Carolina) | 668.61 mi (1,076.03 km) |
| Ottawa to Ramona (California) | 1,638.16 mi (2,636.36 km) |
| Ottawa to Ramsey (Minnesota) | 356.07 mi (573.03 km) |
| Ottawa to Ramsey (New Jersey) | 762.48 mi (1,227.09 km) |
