| Ottawa to Prelouc | 4,646.73 mi (7,478.20 km) |
| Ottawa to Prerov | 4,737.88 mi (7,624.88 km) |
| Ottawa to Pribram | 4,606.77 mi (7,413.89 km) |
| Ottawa to Prostejov | 4,725.30 mi (7,604.63 km) |
| Ottawa to Rakovnik | 4,579.70 mi (7,370.31 km) |
| Ottawa to Ricany | 4,616.94 mi (7,430.25 km) |
| Ottawa to Rokycany | 4,589.72 mi (7,386.44 km) |
| Ottawa to Roudnice nad Labem | 4,584.99 mi (7,378.83 km) |
| Ottawa to Roznov pod Radhostem | 4,761.73 mi (7,663.27 km) |
| Ottawa to Roztoky | 4,600.90 mi (7,404.44 km) |
| Ottawa to Rumburk | 4,573.40 mi (7,360.18 km) |
| Ottawa to Rychnov nad Kneznou | 4,666.39 mi (7,509.82 km) |
| Ottawa to Slany | 4,586.94 mi (7,381.97 km) |
| Ottawa to Sokolov | 4,537.59 mi (7,302.55 km) |
| Ottawa to Sternberk | 4,720.59 mi (7,597.06 km) |
