| Buffalo Grove to Norwich | 3,963.24 mi (6,378.21 km) |
| Buffalo Grove to Nottingham | 3,862.35 mi (6,215.85 km) |
| Buffalo Grove to Nuneaton | 3,863.82 mi (6,218.22 km) |
| Buffalo Grove to Oadby | 3,876.14 mi (6,238.05 km) |
| Buffalo Grove to Oakengates | 3,821.59 mi (6,150.25 km) |
| Buffalo Grove to Oakham | 3,886.71 mi (6,255.05 km) |
| Buffalo Grove to Oldbury | 3,843.77 mi (6,185.95 km) |
| Buffalo Grove to Oldham | 3,808.46 mi (6,129.13 km) |
| Buffalo Grove to Ollerton | 3,859.54 mi (6,211.32 km) |
| Buffalo Grove to Olton | 3,853.76 mi (6,202.02 km) |
| Buffalo Grove to Omagh | 3,587.43 mi (5,773.40 km) |
| Buffalo Grove to Ormesby | 3,812.57 mi (6,135.75 km) |
| Buffalo Grove to Ormskirk | 3,779.27 mi (6,082.14 km) |
| Buffalo Grove to Orpington | 3,959.67 mi (6,372.47 km) |
| Buffalo Grove to Ossett | 3,824.19 mi (6,154.44 km) |
