| Ottawa to Plombieres | 4,272.51 mi (6,875.94 km) |
| Ottawa to Pont-a-Celles | 4,221.15 mi (6,793.29 km) |
| Ottawa to Poperinge | 4,147.45 mi (6,674.67 km) |
| Ottawa to Profondeville | 4,245.12 mi (6,831.87 km) |
| Ottawa to Putte | 4,212.14 mi (6,778.79 km) |
| Ottawa to Puurs | 4,198.07 mi (6,756.14 km) |
| Ottawa to Quaregnon | 4,205.30 mi (6,767.78 km) |
| Ottawa to Raeren | 4,280.53 mi (6,888.84 km) |
| Ottawa to Ranst | 4,203.72 mi (6,765.23 km) |
| Ottawa to Ravels | 4,214.45 mi (6,782.51 km) |
| Ottawa to Retie | 4,220.49 mi (6,792.23 km) |
| Ottawa to Riemst | 4,256.83 mi (6,850.71 km) |
| Ottawa to Rijkevorsel | 4,206.42 mi (6,769.58 km) |
| Ottawa to Rixensart | 4,220.30 mi (6,791.91 km) |
| Ottawa to Rochefort | 4,265.78 mi (6,865.11 km) |
